Liquid dispensing device



Patented May 7, 1935 UNITED STATES PATENT OFFICE LIQUID DISPENSINGDEVICE Jacob C. Miller, Whitefish Bay, Wis.

Application December 18, 1933, Serial No. 702,885 6 Claims. (01.221-102) This invention relates to liquid dispensing devices.

It is a primary object of the invention to provide a container forliquid having a novel and eflicient means for dispensing a liquid otherthan by tilting or inverting the container.

More specifically, it is an object 01' this invention to provide for aliquid dispensing bottle, a manually operable pump device and reservoirfitted into the mouth of the bottle and adapted to seal the bottle whenthe device is not manually operated.

Another object is to provide a liquid dispenser for bottles, which maybe designed to dispense a. predetermined amount of liquid by manuallyregulating the number and extent of plunger strokes, whereby to effect asaving in liquid to the user of this controlled device.

A further object is to provide a liquid dispensing device which may beeasily applied to standard bottles and which will be simple and cheap tomanufacture, and which will last for a long period of time withoutrepair.

Other objects will appear as the description progresses.

In the drawing:

The drawing is a vertical sectional view taken axially through a bottleequipped with a stopper embodying the device.

The container l for the purpose of illustration comprises a bottleprovided with a threaded neck 2. Threaded to the bottle neck 2 is acentrally apertured cap nut 3 of sufiicient size to accommodatecentrally apertured cap 5 having at its lower end a flange 5 engagingthe marginal area adjacent the central aperture 4 of threaded cap nut 3.Engaging the inner end of the apertured cap 5 is a sealing washer lseated upon the end of the bottle neck 2. The apertured cap has areservoir II in its outer end communicating with the aperture I5 in thecap 5.

Inserted in the aperture l5 of the cap 5 is a cylindrical plunger l6,bevelled intermediate its ends at I! to provide a reduced end 8 having adiameter less than the diameter of the aperture IS. The plunger I6 isrecessed or cupped at end 8 toreceived either the finger of an operatoror the end of an orangewood stick or other manicuring implement. Theplunger l5 extends slightly above the plane of the upper margin of thecap 5 to permit a longer stroke of the plunger than would otherwise bepossible. The plunger I6 is shouldered at 24 to provide a piston end I8slidably fitting within the elongated tube 25 carried by cap 5. The tube25 is received in the recess 2| and is secured therein by engagementwith the wall thereof. The tube 25 is substantially concentric with theaperture l5 to permit the bevelled portion I'I to engage the margin ofthe aperture I5 of the cap 5. 1

The piston end I9 is centrally recessed at 22 to receive a centrallyapertured bushing 25 having a flange 21 engaging the inner end of theplunger It. The recess 22 extends in reduced size at 23 to communicatewith the radial apertures 28 which communicate with the annular space 58between the plunger l5 and the tube 25. A small aperture 59 is providedthrough which, from time to time, air may enter the bottle. It is toosmall an opening to divert any appreciable proportion of the liquidbeing pumped. A ball valve is seated in inner bevelled face II ofbushing 26.

Bushing 26 is held in position on the plunger It by means of a helicalspring 32 engaging the flange 2'! of the bushing 26. The helical spring22 is positioned at its end on the flange 4| of the centrally aperturedbushing 42. The bushing flange 4| is seated on the inner end 01. thecentrally apertured plug 43, which is provided with a valve seat 53 uponwhich a ball valve 54 is seated.

The device is particularly adapted for use by manicurists. Its use inthis fleld will exemplify its more general utility.

Assuming the container I has a supply 0! liquid, the operator desiringto use this device will ordinarily operate the plunger l6 against thecompression of spring 32 by pressing upon the cupped end thereof with anorangewood stick wrapped at its end with cotton to be moistened in thecontents of the bottle.

The movement of plunger I 6 causes pressure to be exerted on the surfaceof the liquid confined in the tube thus firmly seating valve 54 andcausing the liquid in the tube to flow past the valve so into the recess22 and from there into the space 58.

When the plunger I 6 is released for vertical movement the helicalspring 32 will return the plunger IE to its original position. At thebeginning of this return movement the valve reseats and valve 54 opensadmitting liquid to tube 25. Liquid in the chamber 58 will, by theupward movement of the plunger l6, be pushed on through aperture l5 incap 5 and thus into recess II. The cotton on the stick used tomanipulate the plunger will be moistened in the liquid maintained inrecess H by the seating of the plunger surface I! against the closure 5at the lower end of passage I5.

I claim:

1. In a liquid container having an apertured neck, the combination withan apertured cap secured thereto, of a tube secured to the inner face ofsaid cap co-a'xially with said aperture, a plunger reciprocable in saidtube, said plunger having a piston portion, a plunger portion of lessdiameter than said piston portion and a second portion of less diameterthan said plunger portion extending through said aperture 0! said capand providing a valve portion between said plunger portions adapted toseat upon the margin of said aperture, said plunger also having a recessin its piston portion communicating with the space between said plungerportions and said tube, valve means in said recess, valve means at innerend of said tube, and a spring disposed between said means whereby tonormally hold valve portion oi! said plunger in contact with said cap.

2. In a liquid container having an apertured neck, the combination withan apertured cap secured thereto, of a tube secured to the inner iaceioisaid cap co-axially with said aperture, a plunger reciprocable in saidtube, said plunger having a piston portion, a plunger portion of lessdiameter than said piston portion and a second portion oi less diameterthan said plunger portion extending through said aperture of said capand providing a valve portion between said plunger portions adapted toseat upon the margin of said aperture, said plunger also having a recessin its piston portion communicating with the space between said plungerportions and said tube, valve means in said recess, valve means at innerend of said tube, and a spring disposed between said means whereby tonormally hold the valve portion or said plunger in contact with saidcap, said tube being provided with a relatively small aperturecommunicating with the space between said plunger portion and said tube,whereby to relieve liquid in said space.

3. A liquid dispensing device comprising a bottle closure having a faceto which liquid is to be delivered, said closure providing an apertureleading to said face, a tube extending downwardly from said closurecommunicating with said aperture, a check valve in said tube, adisplacement piston in said tube provided with a valved opening, and arod of reduced diameter connected with said closure and having a spacebetween it and said tube with which said valved opening communicates,said rod extending through the aperture of said closure member iormanipulationof said piston in the elevation of liquid through said spaceand aperture and outside of said rod to the aforesaid face of saidclosure member.-

4. The combination with a closure for a container having a reservoirrecess in its top and an apertured opening to said recess, of a pumpincluding a tubular casing connected with said closure and communicatingwith said recess through said aperture, said pump including a plungerhaving an operating stem projecting through said aperture and a springsupport for said plunger and stem, and valves whereby the liquiddisplaced by said plunger is delivered through the aperture in whichsaid stem operates.

5. A device of the character described, comprising a closure applicableto the mouth of a containerhaving a reservoir recess in its uppersurface andan aperture opening to the bottom of said recess, a pumpcasing mounted on said closure and extending downwardly therefrom intothe contents of a container to which said closure is applied, a plungerreciprocable in said casing and including'a reduced stem portionprojecting through the aperture with substantial clearance, said plungerbeing adapted to seat against said closure at the lower end of saidaperture as a valve, a spring yieldably supporting said plunger, a footvalve carried by said casing, and valve means carried by said plungerfor permitting the flow of liquid from said casing about said plungerduring the downward stroke of the plunger only, whereby said plunger onits upward stroke will elevate liquid through said aperture to thereservoir recess of said closure.

6. A device of the character. described comprising a bottle closurehaving a reservoir recess and an aperture opening through said closurefrom the bottom of said recess, of pumping means arranged to deliver itsoutput through said aperture and including an operating stemsubstantially smaller than said aperture projecting therethrough for theactuation of said pumping means, said stem having a cavity at its freeend adapted to maintain an actuating stick in contact with the stem.v

JACOB C. MILLER.

